Color symbolism is the use of color as a representation or meaning of something that is usually specific to a particular culture or society. Context, culture and time are certainly important factors to consider when thinking about color symbolism.
Definition of backpack for English Language Learners. : a bag for carrying things that has two shoulder straps and is carried on the back.
Terms used to describe backpacking with more money and resources include flashpacking, a combination of flash, as in fancy, with backpacking, and poshpacking, a combination of posh, an informal adjective for upper class, and backpacking. Adventure travel.