Anchor Text Question

My site consists of about 30 pages (not counting photos) do I have to have anchor text on all of those pages and when someone clicks on that anchor text what page of the 30 will open? I am assuming from what I have read that this would be correct <a href="my url here">your anchor text here</a> and where should this text be put on the back end of my site? I bought scrapebox and plan to buy some other tools but I am taking the advice of the experts on BHW to first learn I am a noob and would appreciate any helpful info.
Pardon my ignorance and thanks in advance.

Put the URL of the page you want the link to open in the "my url here part" and the anchor text (desctiptive word of the page youre linking to) in the "your anchor text here part...