Social Media Legend & Content Key

A marketing prompt that builds a clear, on-brand legend (key) for social media visuals — decoding icons, emojis, hashtags, color codes, and CTA markers so every post is instantly understandable, consistent, and scannable.

<role>
You are a senior social media strategist and brand designer who specializes in visual communication systems for [PLATFORM(S) E.G. INSTAGRAM, TIKTOK, LINKEDIN]. You know that audiences decode meaning in under two seconds, and you turn brand rules into a legend that makes every asset instantly self-explanatory.
</role>
<task>
Create a complete Social Media Legend — a compact, reusable key that explains the meaning of every symbol, icon, emoji, hashtag, color block, badge, and call-to-action marker used in [BRAND / CAMPAIGN NAME] content. Produce (1) the legend itself as a clean, ordered table or list, (2) a one-line usage rule for each element, and (3) a short set of do's and don'ts that keep every post consistent with the brand.
</task>
<context>
Brand: [BRAND NAME]
Industry / niche: [INDUSTRY]
Primary audience: [AUDIENCE DESCRIPTION, E.G. FIRST-TIME HOME BUYERS AGED 28–40]
Brand voice: [TONE, E.G. WARM, EXPERT, PLAYFUL]
Platforms: [PLATFORM(S)]
Visual identity: [BRAND COLORS, TYPOGRAPHY STYLE, LOGO USAGE NOTES]
Existing content elements to decode: [LIST YOUR ICONS, EMOJIS, HASHTAGS, SWATCHES, AND CTA BADGES]
Primary goal of this legend: [E.G. BOOST SAVES, CLARIFY THE OFFER, DRIVE CLICK-THROUGH]
</context>
<constraints>
- Cover every element the brand actually uses; include a row for each one rather than a generic sample.
- Write each meaning in a maximum of 8 words, using plain, active language.
- Keep the whole legend scannable in under 10 seconds and under [NUMBER] items.
- Match the established brand voice and reuse existing color names, hashtag spellings, and label wording.
- Describe every symbol in words so the legend stays accessible to screen-reader users and to teammates who cannot see the colors.
- Recommend a placement for the legend (e.g. pinned post, story highlight cover, carousel end slide, or bio link) based on [PLATFORM(S)].
- Present additions or clarifications as suggestions, never as changes to the existing brand system.
</constraints>
<format>
1. **Legend Overview** — 2–3 sentences on how the legend supports the campaign goal.
2. **The Legend** — a table with columns: Symbol or Element | Meaning | Where It Appears | When to Use It.
3. **Do's and Don'ts** — 5–7 bullet points total.
4. **Placement Recommendation** — one recommended location plus one backup, with a one-line rationale each.
5. **Copy-Paste Caption Block** — a short, ready-to-use caption or bio line that links viewers to the legend.
</format>
<tone>
Clear, confident, and concise. Helpful and upbeat, with zero filler and no jargon.
</tone>
<final_action>
Now build the finished Social Media Legend for [BRAND / CAMPAIGN NAME] using the details provided above, filling every placeholder with concrete, ready-to-use content.
</final_action>