a simulation that models aspects of real life

the process of developing or being developed

a group of people who are socially connected

a flat mirror in automobiles and other vehicles, designed to allow the driver to see rearward through the vehicle's rear window 

a large group of people who live together in an organized way, making decisions about how to do things and sharing the work that needs to be done.

to explain and describe the meaning and exact limits of something

the ability to use good judgment in making decisions and to live in a reasonable and safe way

objects or machines that have been invented for a particular purpose

to move your eyes upwards as a way of showing that you are annoyed or bored after someone has done or said something

something that you say which expresses your opinion of something or which gives an explanation of it

any significant or positive changes that solve or at least address social injustice and challenges