Alright, first things first. Open up Figma and create a new file just for your design tokens. Think of this file as your treasure chest where all your design goodies live. Give it a name that makes sense, like "Design System" or "Design Tokens". Easy peasy.

Now, inside that file, you'll want to set up different frames for each type of design token. So, one frame for Colors, another for Typography, Spacing, and Shadows. Label them clearly so you can find your way around without getting lost.

In the "Colors" frame, use Figma's "Styles" panel to create color styles. Give each color a name that tells you exactly what it's for, like "Primary/Blue" or "Background/Light". Group similar colors together.

1. Select the shapes filled with your colors.
2. Click the four-dot icon in the properties panel.
3. Hit the "+" button to create a new style.
4. Name it something that makes sense.

Head over to the "Typography" frame. Here, you'll set up text styles for headings, body text, and other text elements. Make sure to include different sizes, weights, and styles.

1. Select the text layers that show different styles.
2. Click the four-dot icon in the text panel.
3. Hit the "+" button to create a new text style.
4. Name it clearly, like "Heading/H1" or "Body/Regular".

In the "Spacing" frame, create rectangles to show different spacing values like 4px, 8px, and 16px. Label each rectangle so you know what it represents.

1. Draw rectangles with different height/width values.
2. Label each one according to its spacing value, like "Spacing/4px" or "Spacing/8px".

In the "Shadows" frame, create rectangles with different shadow styles. Make sure the shadows are consistent and meaningful.

1. Create rectangles and apply different shadow settings.
2. Save each shadow setting as a style by clicking the "+" button in the effects section of the properties panel.
3. Name each shadow style, like "Shadow/Light" or "Shadow/Dark".

Turn recurring design elements into components. This helps keep things consistent across your designs. Use nested components for more complex patterns.

1. Select elements that you'll reuse often.
2. Click the "Create Component" button or press Ctrl+Alt+K / Cmd+Option+K.
3. Name the component so it's easy to find.

Make sure your design tokens file is shared with everyone who needs it. Use Figma's sharing features to manage permissions and collaboration.

1. Click the "Share" button in the upper-right corner of the Figma file.
2. Add team members' emails or set link sharing permissions.
3. Keep everyone in the loop with updates to the design tokens.

Keep a documentation page within your design tokens file or use an external tool to explain each token's purpose and usage. This helps everyone understand how to use them correctly.

1. Create a new frame or page within the Figma file.
2. Document each token's purpose, naming conventions, and usage guidelines.
3. Keep this documentation updated as things change.