There's a helpful little tip that works if you want to link to a specific post. The date that appears under each post is actually a link that goes directly to that specific post.
If you click on the date and then copy the resulting URL from your browser's address bar, you can link directly to the specific post.
The difference is the "#post-68410" part at the end. In URLs, the number sign generally refers to a specific portion of a web page, such as a specific post.
If you're on a computer or anything with a pretty wide screen, you can also click on the post number on the right of the screen. That will give you additional options for linking to that post:
For example, if I click on @mncjl123's second post, above, the following box pops up. Cool, eh?