Good is used as a noun to refer to advancement of prosperity or well-being, something useful or beneficial or something conforming to the moral order of the universe.
When used in this capacity, it can be used independently as a subject, or it can be used with an article, such as 'the good'.
1. You are the good of this team.
2. Complete this task for your own good.
Good is often used to refer to anything from physical objects to abstract ideas, as long as they are deemed to be of a high quality.
Good is used as an adjective to refer to something that is of a high standard or quality, as well as having the connotation of being beneficial or desirable.
Good is often used to describe an object, person, or situation as of a high standard or quality. It can also be used to describe something that has a beneficial or positive effect, such as doing 'good' for the environment.
1. She had a good attitude during the meeting.
2. We are doing good work on the project.
3. Eating fruits and vegetables is good for your health.
Be careful when using 'good' with adverbs, as it changes in form to 'well'. For example 'The students performed well' and not 'The students performed good'. Additionally, it is important to note that 'good' can be used to refer to both physical objects/situations as well as abstract ideas.