5.4Case

A Case usually represents a customer service/support issue.

Salesforce describes Case as representing a customer issue/problem and connects it to Account and Contact.

Typical fields:

Id
CaseNumber
AccountId
ContactId
Subject
Status
Priority
Origin

Example:

Account: Acme
    │
    └── Contact: John Smith
            │
            └── Case #00014827
                  "Unable to login"