Make the small loop
Make a small loop in the standing line. The big loop you actually want will sit below the knot body.
KNOT SKILLS
A bowline is the camp knot I want when I need a fixed loop that stays a loop. It does not cinch down like a noose, it is easy to inspect, and it usually unties after a normal shelter or utility load.
A lot of camp knots either slide, cinch, or jam. The bowline gives you a predictable loop. That makes it useful for clipping to a tarp corner, tying to a ring, making a handle, or creating a loop that should not crush what it is around.
THE ROPE PATH
The bowline is easy to inspect because the path is simple: make the small loop, send the working end through it, wrap around the standing line, then bring the working end back through the same small loop.
Make a small loop in the standing line. The big loop you actually want will sit below the knot body.
Pass the working end up through the small loop. This is the move that starts the fixed-loop structure.
Wrap the working end behind and around the standing part. Keep the wrap clean so the knot dresses flat.
Bring the working end back down through the original small loop. It should not go through a new hole.
Pull the standing line and the big loop apart while holding the tail. The collar should snug around the standing line.
Do not trim it visually tight. If the tail is short, the knot has less room for movement before it becomes a problem.
Use a bowline where you need an attachment loop: a tarp tie-out, a light gear line, a loop around a smooth post, or a utility loop you may want to untie later. For adjustable tension, use a taut-line hitch. For strong line tension, use a trucker's hitch.
A bowline can loosen if it is unloaded, shaken, tied in slick rope, or left with a short tail. Back it up if the load matters, and never let a simple camp knot become pretend safety equipment.
I use a bowline when I want a fixed loop. If I am trying to tighten something, I choose a tension knot instead.