I have answered your other post on this query, please do not post twice on the same issue as per Forum Rules!
The IPad Forum is a community of members from all walks of life and from all over the world coming together to share our experiences and to help each other learn about this wonderful piece of technology the Ipad. There is a wealth of information already here in the many threads we have so doing some searches will answer most of the questions you have. If then you cannot find the answer you are seeking then by all means post your question. There are many friendly and informed members here only too willing to help you.
If you are surfing the forum via Safari web-go to settings (in the upper right corner)-click that, and you will see all the subscribed threads you belong to.
If you are using the IPF app, you should see on the bottom of the screen a "subscribed" icon with a book mark. This should lead you to your posts.