Who+owns+the+data+on+this+Wiki?

Who owns the data on this Wiki?

I constructed my report for IST do I own this content?


 * I don't own the content on this Wiki
 * Tangient owns the content on this Wiki, agreed to it in the terms and conditions
 * I can edit the content on this Wiki
 * Whatever I put on the Wiki Taangient can not say anything about it

What do some of these things mean?

Prepetual- ageless: comtinuing forever of indefinitely

Irrevocable- not changable

Royalty-free- cannot claim copyright over it

Non-exclusive- not mine