If you are looking for specific applications of this term across different contexts, here are the primary "features" it describes:
As a slang feature, it indicates total honesty and directness . To tell someone something "straight up" is to speak without sugarcoating or ambiguity. Straight Up
In its most literal and direct sense, a feature refers to a vertical orientation or something positioned perpendicularly to a base. If you are looking for specific applications of