"While" is often used as a conjunction to indicate a period of time in which an action takes place. It is used to connect two actions or events that occur simultaneously or concurrently.
Example: "She read a book while waiting for her friend." In this sentence, "while" connects the actions of reading a book and waiting for her friend, indicating that they happened at the same time.
"While" can also be used as a noun or adverb to mean "a period of time" or "at the same time."
Example: "I'll be there for a while." Here, "while" refers to a duration of time.
During:
"During" is a preposition used to indicate the time throughout which an action takes place or a situation exists. It specifies a particular time frame or period in which something occurs.
Example: "She slept during the flight." In this sentence, "during" specifies the time frame (the flight) in which the action of sleeping took place.
"During" is used to describe when something happens within a particular period or event
