different types of Time in events

[vanitharaj1208]

1. what is the difference between these time fileds?
2. why start time and end time is same?
3. which are the important time fields to considered?
4. where can i find documentation around these udm time fields?

mainly i want to understand what each fields means and where it can be used ?

• Start Time
• End Time
• event_metadata_eventTimestamp
• event_metadata_ingestedTimestamp
• event_target_user_attribute_creationTime
• event_target_user_lastLoginTime
• event_extracted_id.time
• createdTime
• timeWindow_startTime
• timeWindow_endTime
• Detection Time