1. Slug = the URL version of the title, usually hyphenated or underscored. Like if an article title is "My Great Bitcoin Article", the slug would be: my-great-bitcoin-article (e.g. habla.news/my-great-bitcoin-article)

2. Below the photo in the feed

3. Yes

4. Yes, the content will go on relays, so it doesn't matter if habla.news goes down, another app will just pick it up later. (The beauty of nostr!)