nubs

Noun

• a small lump or protuberance
• a small piece
• the choicest or most essential or most vital part of some idea or experience
• plural of nub

Synonyms

center, centre, core, essence, gist, heart, heart and soul, inwardness, kernel, marrow, meat, nitty-gritty, nub, nubble, pith, stub, substance, sum