The dictionary says "To state or express in a concise word."
I say to say something by using as little brain work as possible.
Long version:
"And like a flower in the moonlight, she glided gracefully down the aisle."
Summarized version:
"Why can't you just said she walked down the aisle?"
Summarizing is to take a sentence and shorten it, but remember to shorten only to the important details so the reader can stillunderstand it. Also the word that your teacher is probably teaching you.
Teacher: You summarize by shortening the sentence and putting the important details.
Kid: Oh speedrun
Teacher: 💀💀💀
Kid: *ASCENDS TO GOD*
Teacher: 💀💀💀💀💀💀💀💀💀
When someone makes a comment and someone else repeats it soon after, claiming it as their own. Often, but not always, trying to one up the original idea.
Emmet - We could build a submarine!
*short delay*
Batman - We could build a Bat submarine
Similar to a "floater shot" aka "floater", but at the bottom of the cocktail.
Tamara: My husband was lit last night, I apologize for him at the wedding, he was plowed and loud.
Brie: I had a blast with Adam - classic Adam. He was ordering everyone bushwhackers with floaters, though ordering his bushwhackers with a submarine shot as well as a floater!