IT & Development vocabulary

Technical vocabulary for software development

193 wordsA1 · 9A2 · 26B1 · 92B2 · 52C1 · 14

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Basic Concepts · 28

Word	Level	Definition
code	A2	instructions written for a computer program
program	A2	a set of instructions that tells a computer what to do
software	B1	programs that make a computer work
hardware	B1	the physical parts of a computer, or metal tools
computer	A1	a machine that stores and works with information
data	B1	facts and information, often in numbers
file	A2	a document kept on a computer
folder	A2	cover used to keep papers together
application	B1	a computer program made to do a certain task
app	A1	a small thing on your phone or computer you can use
website	A2	set of pages on the internet
browser	B1	program for looking at the internet
server	B1	a person who brings food or a computer that stores data
client	B1	a computer that asks another computer for information
database	B2	a large organised collection of information on a computer
network	B1	a group of things or people connected together
internet	A2	system that lets computers share information
download	A2	to get a file from the internet to your device
upload	B1	to send a file from your computer to the internet
install	A2	to put something new in place and make it work
update	B1	to change something to make it more modern and complete
version	B1	one form of something that may be different
feature	B1	important or interesting part of something
user	B1	a person who uses something
password	B1	secret word that lets you use something
login	A2	act of entering a computer system
logout	A2	the act of leaving a computer program or system
account	B1	a personal profile used to log into a website

Programming Terms · 31

Word	Level	Definition
variable	B1	a name that stores a value that can change
function	B1	a named piece of code that performs a task
method	B1	way of doing something
class	A1	a plan for making many things of the same kind in a computer
object	B1	a thing in a program that has data and actions
array	B1	an ordered list of values stored under one name
string	A2	a piece of text made of characters used in a program
integer	B2	whole number that is not a fraction
boolean	B1	type that can only be true or false
loop	B1	a set of instructions that repeats many times in a program
condition	B1	a test that decides whether part of a program runs
statement	B1	a single instruction in a program that performs an action
expression	A2	a group of values and symbols in code that give a result
parameter	C1	rule or limit that controls how something is done
argument	A2	a value passed into a part of a program to be used
return	A2	to send a value back from a piece of code
value	B1	the data that is stored inside a variable
type	A1	a kind or sort of something
syntax	B2	the rules for how words are put together in a language
algorithm	B2	a set of rules followed to solve a problem step by step
logic	B1	way of thinking that follows clear rules
operator	B1	a symbol used to perform an action on values
constant	B1	a value in a program that never changes
input	B1	information or ideas you put into something
output	B1	information that a computer program produces
interface	B2	point where two systems or people meet and work together
abstraction	C1	a simple way of hiding complicated details in a program
scope	B1	range of what something covers or deals with
callback	B2	a piece of code that runs after another task finishes
asynchronous	B2	not happening at the same time
synchronous	B2	happening at the same time

Development Process · 25

Word	Level	Definition
develop	B1	to grow or make something better over time
developer	B1	a person who builds or creates something
programmer	B2	a person who writes instructions for computers
engineer	A2	a person who plans and builds computer programs
coding	B1	writing instructions for a computer
debugging	B2	finding and fixing problems in a computer
bug	A2	a small insect or a problem in a computer
error	A2	something wrong, a mistake
fix	A1	to make something broken work again
testing	B2	checking that a computer program works correctly
deploy	B2	to make a new version of a program available to people
release	B1	a new version of a program made available to people
build	A1	to make something by putting parts together
compile	B2	to turn program code into a form a computer can run
compiler	B2	a program that turns code into a form a computer can run
runtime	B2	the time when a computer program is running
review	B1	a check of someone's work before it is accepted
code review	B1	the process of checking someone else's code for mistakes
merge	B1	to join together into one
branch	A2	a separate copy of a project's code where changes can be made safely
version control	B1	a system that saves and tracks changes made to files
agile	B2	describing work done in short flexible stages
requirement	B1	something you must have or do
specification	C1	detailed plan of how something should be made
documentation	B2	official papers or written instructions

Web Development · 18

Word	Level	Definition
component	B1	one part of a bigger thing
module	B1	one part of a bigger course or system
package	B1	a set of code files you can add to a project
dependency	B2	another piece of code that a program needs to work
request	B1	a message asking a computer for something
response	B1	an answer to something said or done
route	B1	way from one place to another
routing	B2	sending something along a chosen path
navigation	B1	the act of finding your way from place to place
layout	C1	way things are arranged in a space or on a page
template	B2	a pattern or guide used to make something
stylesheet	B1	set of rules for how a page should look
responsive	B2	able to change and fit different screen sizes
mobile	A2	relating to phones and other small devices you carry
desktop	A2	relating to a large computer used for work, not a phone
cross-platform	B2	working on different types of computers or systems
domain	B2	an area of knowledge or control, or a web address
caching	B2	storing information so it can be found quickly later

Data & Storage · 18

Word	Level	Definition
row	A2	one line of information in a table
column	B1	a vertical line of information in a table
record	A2	a piece of information saved as one item in a table
field	A1	one part of a form or table that stores a piece of information
query	B1	question about something
backup	B1	extra copy kept in case something goes wrong
restore	B1	to bring back to how it was before
storage	B1	keeping things in a place until needed
cloud	A1	a place where your computer things are kept for you, not on your computer
local	A2	stored on your own device, not online
remote	B1	reached over a network, not on your own device
sync	B1	to update data so it stays the same everywhere
import	B1	to bring data into a program from somewhere else
export	B1	to send data out of a program to use elsewhere
encrypt	B2	change data into a secret code for safety
decrypt	B2	to change a secret code back into clear words
compression	B2	pressing something into a smaller space
format	B1	way something is set up or arranged

UI/UX Design · 33

Word	Level	Definition
design	B1	a plan for how something looks and works
button	A1	a small object you press to make something happen
icon	B1	a small picture used to represent a program
toolbar	B2	a row of buttons on a computer screen
sidebar	B2	extra information shown at the side of a page
header	B2	hitting a ball with your head, or text at the top of a page
footer	B2	information shown at the bottom of a page
modal	B1	a small window that pops up on top of the page
popup	B1	window or thing that appears suddenly
tooltip	B1	small message that appears when you point at something
notification	B1	official message telling about something
alert	B1	a message that warns you about something important
form	A2	a shape or a paper with spaces to write in
checkbox	B1	small square you mark with a tick
dropdown	B1	list that opens down when you click on it
slider	B2	thing that moves smoothly along a track
toggle	B2	a small switch, or to change between two states
scroll	B2	to move text up or down on a screen
tap	A2	a quick touch on a screen with a finger
swipe	B2	to move your finger across a screen, or to hit
gesture	B1	movement of hand or body to show meaning
animation	B1	pictures made to seem to move
transition	B1	a change from one thing to another
loading	B1	a page or app getting ready to show its content
spinner	C1	a small turning circle that shows the app is still loading
placeholder	B2	something that fills a space until replaced
theme	B1	a set of colors and styles used in an app
dark mode	B1	screen setting with dark colors to help eyes
accessibility	B2	how easy it is for everyone to use or reach something
usability	C1	how easy something is to use
wireframe	B2	a simple drawing showing the basic shape of something
prototype	B2	the first model of something before many are made
mockup	B2	simple model of something not yet finished

DevOps & Tools · 20

Word	Level	Definition
command	B1	an instruction typed for a computer to carry out
console	B1	a screen used to type commands and control a computer program
script	B1	a short computer program that performs a task automatically
automation	B2	use of machines to do work without human help
pipeline	B2	a series of automated steps that build and deliver software
environment	B1	the place on a computer where a program runs
production	B1	the live system that real users use
staging	B2	a test system that copies the live one before release
monitoring	B1	watching and checking something over time
logging	B2	the recording of events that happen in a computer system
debug	B2	to find and fix problems in a machine or code
trace	B1	a record of the steps a program follows while running
performance	B1	how well and quickly a computer system works
load balancing	B2	sharing work equally between systems
latency	B2	time between an action and its result
throughput	C1	amount of work done or material processed in time
downtime	C1	time when a computer system is not working
uptime	C1	time when a system or machine is working
incident	B1	event, usually bad or unusual
rollback	B2	a return of a system to an earlier version after a problem

Common Verbs · 20

Word	Level	Definition
implement	B1	to put a plan into action
execute	B2	to run a computer program
initialize	C1	to set up or prepare for first use
validate	C1	to prove that something is true or correct
fetch	B1	to get data from another place, like the internet
submit	B1	to give something to someone to look at
delete	B1	to remove something, usually from a computer
create	B1	to make something new
edit	A2	to change and fix a piece of writing or video
modify	B1	to change something a little
configure	B2	to set up or arrange parts for use
integrate	B1	to bring different things together as one
optimize	B2	to make something work as well as possible
scale	B1	to increase how much work a system can handle
migrate	B2	to move data from one system to another
iterate	C1	to repeat the same steps many times, often improving each time
replicate	C1	to make an exact copy of something
override	C1	to replace an existing function with a new one
extend	B1	to make longer or bigger
inherit	B1	to get features from another class in a program

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