Based on the table, what is the most likely definition of the root fed?

There's no table but maybe:

A plentiful supply | Wealth | A great quantity that seems to keep flowing

my dad purchased natural colorings in a specialty store

in the thematic approach, an interpreter relies on a central theme (i.e., a major point or message) to guide development of a communication activity or device. in presenting the activity or device, the thematic interpreter develops the theme in such a way that it will be highly relevant to an audience.

explanation: