unit 2.2

the decision to allocate smth

smth you can choose to do or to use instead of smth else

to give a particular time, value, place, etc

a line at the side or bottom of a graph

involving a lot of different parts

a line on a graph that gradually bends and represents a change in the amount or level of smth

smth that is worth having or doing

available for someone to use

a family or a group of people who live together in a house

imagined or suggested but not necessarily real or true