has answer
inverse of: answers question
comment: Links a question to an answer it has.
range: Answer
domain: Question

has text
comment: The text content of a comment.
range: HTML
domain: Comment

Comment
subclass of: Content
comment: Represents a comment on a Stack Overflow post.

has body
comment: The main content (body) of a post, typically containing HTML.
domain: Post
range: HTML

tag name
comment: The name of a tag.
range: string
domain: Tag

score
comment: The score (upvotes - downvotes) of a post or comment.
domain: Content
range: integer

tagged with
domain: Question
comment: Links a question to a tag it is associated with.
inverse of: tags question
range: Tag

Unanswered Question
comment: A question that does not have an accepted answer.
subclass of: Question

favorite count
range: integer
comment: The number of times a question has been favorited by users.
domain: Question

answer count
domain: Question
comment: The number of answers a question has.
range: integer

tags question
range: Question
domain: Tag
comment: Inverse of taggedWith (tag -> question).

Answer
subclass of: Post
comment: Represents an answer post on Stack Overflow.

tag wiki of
range: Tag
comment: Inverse of hasTagWiki (wiki -> tag).
domain: Tag Wiki

accepted answer of
comment: Inverse of acceptedAnswer (answer -> question).
range: Question
domain: Answer

Post
subclass of: Content
comment: Represents a post on Stack Overflow, which can be a question, answer, or tag wiki.

has comment
domain: Post
inverse of: comment on
range: Comment
comment: Links a post (question or answer) to a comment associated with it.

Answer Comment
comment: A comment associated with an answer.
subclass of: Comment

linked to
domain: Question
range: Question
comment: Indicates that two questions are linked (e.g., related). This relationship is symmetric.
type: SymmetricProperty

downvote count
domain: Post
range: integer
comment: The number of downvotes a post has received.

accepted answer
inverse of: accepted answer of
domain: Question
range: Answer
comment: Links a question to its accepted answer.

Question
comment: Represents a question post on Stack Overflow.
subclass of: Post

has title
range: HTML
domain: Post
comment: The title of a post (typically Question or TagWiki).

Accepted Answer
comment: An answer that has been marked as accepted by the question author.
subclass of: Answer

Tag
comment: Represents a tag used to categorize questions.

upvote count
domain: Post
comment: The number of upvotes a post has received.
range: integer

answers question
domain: Answer
comment: Links an answer to the question it answers.
range: Question

has tag wiki
range: Tag Wiki
inverse of: tag wiki of
comment: Links a tag to its associated tag wiki post.
domain: Tag

Question Comment
comment: A comment associated with a question.
subclass of: Comment

Content
comment: A content item (either a Post or a Comment) that can have a score.

duplicate of
domain: Question
range: Question
comment: Indicates that a question is considered a duplicate of another question.

comment on
range: Post
domain: Comment
comment: Links a comment to the post (question or answer) it is associated with.

Tag Wiki
subclass of: Post
comment: Represents the wiki documentation post associated with a tag.

Answered Question
subclass of: Question
comment: A question that has an accepted answer.

possible better answer
comment: Links a question to an answer that might be better than the accepted one (potentially based on score or other heuristics).
domain: Question
range: Answer