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+# Introduction
+
+The  XRP Ledger is an open-source, decentralized cryptographic ledger. This section covers basic concepts that help you learn the "what" and "why" behind fundamental aspects of the XRP Ledger.
+
+- **[XRP Ledger Overview](xrp-ledger-overview.html)**
+
+    Get a quick and concise introduction to key features of the XRP Ledger.
+
+- **[Consensus](consensus.html)**
+
+    Understand the role of consensus in the XRP Ledger.
+
+- **[XRP](xrp.html)**
+
+    Learn about the uses and properties of XRP, the digital asset for payments.
+
+<!--
+- **[Software Ecosystem](x)**
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+    TODO: DOC-1504 #}-->
+
+
+- **<a href="https://ripple.com/technical-faq-xrp-ledger/" target="_blank">Technical FAQ <i class="fa fa-external-link"></i></a>**
+
+    Get answers to common questions about the XRP Ledger.