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---
title: Iterate a slide
description: The visual feedback loop — tweak, comment, apply.
---
Once a deck exists, iteration is the inner loop:
```text
present → click to comment → /apply-comments → repeat
```
Most decks live in this loop. You're rarely typing CSS by hand — you're
running the deck, spotting what's off, and pointing at it.
## Run the deck
Start the dev server and open the slide you want to work on. Use it the way
you'd present it: arrow keys, fullscreen, the whole thing. Iteration is
faster when you're reacting to the deck, not staring at code.
## Tweak directly
For changes that are faster to perform than to describe — re-wording a
headline, nudging a colour, swapping an image — open the inspector
(`i`), click the element, and edit it in place. All edits buffer until you
press **Save**, so a batch lands as a single change.
The [Inspector](/docs/core-feature/inspector) page covers the full panel.
## Comment when it's easier to say than do
When the change is easier to describe than to perform — *"use the accent
colour on this title"*, *"make this whole row breathe more"*, *"this needs a
better visual"* — click the element, pick **Comment**, and type the note.
You can drop a handful of comments through a single rehearsal pass without
breaking flow.
## Apply with one command
When you're ready, ask your agent:
```text
/apply-comments
```
The agent reads each comment, edits exactly that region, and clears the
note. Refresh the dev server and you're looking at the next draft. If a
comment is ambiguous, the agent leaves it alone and tells you why — refine
the wording and run again.
## Talk to the agent about what you're seeing
You can also just ask. *"Shrink this title"*, *"swap the cover image"*,
*"this slide feels cramped"* — the agent already knows which slide you're
on and which element you've picked. No need to say *"slide 3, the H1 on
the left"*.
Combine the two modes freely: tweak what's obvious, comment what's not,
and let the agent close the gap.