Dedecms dede_channeltype table field annotation _php tips

This is I spent some time to sort out, but still have a few fields unclear, want to know friends, tell me!
Dede_channeltype

ID Channel ID
Nid identification ID
TypeName Model Name
Maintable Main Table
AddTable attached table
Addcon File Release Program
Mancon
Editcon File Modification Program
Useraddcon Front desk member release procedure
Usermancon Front desk member management procedure
Usereditcon Front Desk Member modification procedure
FieldSet
ListFields list additional fields
AddFields
IsSystem Model Properties (0: Automatic model,-1: System model, 1: Automatic model)
Isshow
Does Issend support member submissions
Arcsta member submission Default status (-1: Not audited, 0: audited (HTML generated automatically), 1: Audited (using dynamic documents only))
Usertype Permission Contributor member group (field value: Personal or Enterprise or "" (space for No limit))
Sendrank member can contribute level (0: Visitor, 10: Registered Member, 50: Intermediate member, 100: Senior member)
IsDefault column list option (1: Link to default page, 0: Link to first page of list,-1: Use dynamic page)
Needdes whether to use the summary of the submission
Needpic whether to use pictures
TitleName Submission Title Use name
Whether the contribution of Onlyone is unique
Dfcid default Column ID