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

is a specific kind of: chaffer, chat, chatter, chew the fat, chit-chat, chitchat, claver, confab, confabulate, gossip, jaw, natter, shoot the breeze, visit.

derivation: conversationalist, conversationist, schmoozer.