is a specific kind of: conversation.

is a broader term that covers: causerie, chin-wag, chin-wagging, chin wag, chin wagging, chit-chat, chit chat, chitchat, gab, gabfest, gossip, small talk, tittle-tattle.

derivation: confab^v2, confabulate, confer, consult | chaffer, chat, chatter, chew the fat, chit-chat, chitchat, claver, confab^v1, confabulate, gossip, jaw, natter, shoot the breeze, visit | chatty, gossipy, newsy.

is a specific kind of: converse, discourse.

is a broader term that covers: jawbone, schmoose, schmooze, shmoose, shmooze.

derivation: chat, confabⁿ¹, confabulation, schmoose, schmooze | causerie, chin-wag, chin-wagging, chin wag, chin wagging, chit-chat, chit chat, chitchat, gab, gabfest, gossip, small talk, tittle-tattle | cackle, chatter, yack, yak, yakety-yak | babbler, chatterbox, chatterer, magpie, prater, spouter | visitant, visitor.

is a specific kind of: discuss, hash out, talk over.

is a broader term that covers: collogue.

derivation: chat, confabⁿ¹, confabulation, schmoose, schmooze | conference, group discussion | consultation | audience, consultation, interview | conference | conferee.