## 序 (Xù) – Introduction / Preface / Prelude

This tag, “序” (Xù), marks content that serves as an **introduction, preface, or starting point** within this collection. It indicates a section designed to **set the stage, provide context, and prepare the reader** for the main content to follow. Think of it as a **prelude** – a welcoming note that helps to understand the core themes, goals, or background information necessary for a deeper understanding.

Posts tagged with “序” will typically:

* **Offer a brief overview** of the topic at hand.
* **Explain the relevance or purpose** of the following content.
* **Introduce key concepts or figures** that will be explored further.
* **Often include a personal reflection or background** to set the tone and connect with the reader.

Use this tag to quickly identify pieces that provide essential context and a runway for diving deeper into the subject matter. Think of it as your first step towards unraveling the richness of the content.