Is Household an Organization or Group in TCA under Oracle Fusion CX Sales and more question

Summary:

Trying to validate some Proof of COncept for Fusion CX Sales Implementation and came into some questions that need some clarification one:
1. Is Household an Organization or Group in TCA under the Oracle Fusino CX Sales?

2. Can we have both Household and Account simultaneously in Fusion CX Sales? or is Household only available for B2C version and Accounts for B2B version?. Do we have two different SKU numbers for b2c and b2b?

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