Word for Long Documents: styles, references and layout

Copy this, open Claude, paste it, and Claude will walk you through the lesson step by step.

For a grown-up: Claude is for adults (18+). Copy this, paste it into Claude, and use the answer to explain the lesson to your child.

I'm learning "Word for Long Documents: styles, references and layout" on The Future Market. Lesson 1: "Styles that control the whole document".

What the lesson teaches:
- Styles are in the Styles gallery on the Home tab. To apply one, select the text and click the style.
- Change a style two ways. (1) Select text that already has the style, change its formatting, then right-click the style in the gallery and choose Update [Style Name] to Match Selection. All text with that style changes. (2) Right-click the style, choose Modify, and change font, size, colour, alignment, line spacing or indentation in the Formatting section.
- In the Modify dialog you can apply the change to the current document only, or to new documents based on the template.
- Create a new style from formatted text: right-click the text, use the mini toolbar Styles, then Create a Style, name it and click OK. It then appears in the gallery.
- Why this matters for long documents: one change to Heading 1 fixes every Heading 1 in a 40 page report.
- Menu names can differ by version. Microsoft lists this guidance for Word for Microsoft 365, 2024, 2021, 2019 and 2016.

The exercise I'm working on:
Take a multi-page document. Apply Heading 1 and Heading 2, change them with Update to Match Selection, and create one new style of your own.

I'm stuck. Please:
1. Explain the main idea in plain, simple words with one everyday example.
2. Walk me through the exercise one small step at a time. Ask me what I've done so far before giving the next step.
3. Don't just give me the final answer. Help me do it myself, and check my work when I share it.

I'm a parent helping my child (about 8 years old) with a lesson called "Styles that control the whole document" from the course "Word for Long Documents: styles, references and layout".

Here's what the lesson says:
Before this course: Microsoft Word Essentials (course 13.1). A style is like a uniform. If the whole team wears the uniform and you change the uniform, everyone changes at once. You do not dress each word by hand.

The activity:
Take a multi-page document. Apply Heading 1 and Heading 2, change them with Update to Match Selection, and create one new style of your own.

Please explain this so an 8-year-old understands: short sentences, a fun everyday example, and no hard words.
Then give me 3 simple questions I can ask my child to check they understood, and a way to do the activity together, one tiny step at a time.