As a noun:
* The raindrops pattered on the windowpane. (Refers to individual drops of water)
* There was a sudden drop in temperature. (Refers to a decrease in something measured)
* She added a drop of vanilla extract to the batter. (Refers to a small amount of liquid)
* The hikers took a drop from the cliff to the valley. (Refers to a steep descent)
* He bought a new drop of cologne. (Refers to a new type or scent)
As a verb:
* He dropped his phone and cracked the screen. (Meaning to let something fall)
* The price of gas dropped significantly. (Meaning to decrease)
* She dropped out of college to pursue her music career. (Meaning to withdraw from something)
* Drop me a line when you get there. (Meaning to send a message)
* We dropped off the kids at the park. (Meaning to leave someone or something at a place)
In a phrase:
* Let's drop by the bakery on our way home. (Meaning to visit briefly)
* He dropped out of the race due to injury. (Meaning to withdraw from a competition)
* The company is dropping its prices to attract customers. (Meaning to lower prices)
The meaning of "drop" depends on the context of the sentence.