As a noun:
* General Meaning:
* "I work for a company that makes software."
* "She started her own company last year."
* People:
* "I enjoy the company of my friends."
* "He's always good company."
* Group:
* "The company of soldiers marched through the town."
* Accompanying:
* "He was in the company of his lawyer."
As a verb:
* To keep someone company:
* "I stayed home to company my sick mother."
* "My dog companies me on my walks."
As an adjective:
* Used to describe something related to a specific company:
* "The company car is parked outside."
* "The company website has been updated."
Other ways to use "company" in a sentence:
* In a prepositional phrase:
* "I'm in good company here."
* "They worked together in the company of their colleagues."
* As part of a phrase:
* "Keep company with the good."
* "A company of actors is performing tonight."
The specific meaning of "company" will depend on the context of the sentence.