Learn
Rail
A vertical side column on a page (left rail, stickyA rail or header that stays on screen while you scroll. rail) that holds nav or tools beside the mainMain is the shared branch this site treats as the current source. content.
Why this word exists
Pages need a place for nav and tools that does not shove the story off the screen. Designers borrowed rail from train talk: a long side track that runs beside the mainMain is the shared branch this site treats as the current source. path.
On bot.ski, a rail is layout chromeThe frame around the content: header, footer, badges, and other permanent UI, not the article itself. — left or stickyA rail or header that stays on screen while you scroll. — not a Git branchA branch is a named line of snapshots, so a new idea can grow beside the shared line. and not a tipThe tip is the newest saved snapshot on a branch, the one a reviewer can check out.. Beginners who hear check the left rail should look sideways, not in the repo.
Where you will meet it
You will meet rail in UI notes, Keep glances, and DirectoryThe public catalog of guides, tools, stack, games, creators, and articles on Botski. or Learn layouts when someone points at the vertical column beside the article. A stickyA rail or header that stays on screen while you scroll. rail stays put while you scroll.
Examples
- The Learn handbook keeps related links in a side rail so the article can breathe.
- A stickyA rail or header that stays on screen while you scroll. left rail holds category tools while the DirectoryThe public catalog of guides, tools, stack, games, creators, and articles on Botski. cards scroll past.
- Rail feels crowded at 390Shorthand for a phone-width layout check around 390 pixels wide. means the phone-width check, not a train schedule.
Fetched 2026-09-23 CT.