diff --git a/Maps-Introduction.md b/Maps-Introduction.md
index 5604dec..90bd574 100644
--- a/Maps-Introduction.md
+++ b/Maps-Introduction.md
@@ -5,7 +5,13 @@ Maps in EQEmu are used to do many things, we have different files that are respo
 * maps/base/zoneshortname.map
 * maps/nav/zoneshortname.nav
 * maps/water/zoneshortname.wtr
-* maps/path/zoneshortname.path
+* maps/path/zoneshortname.path (To be deprecated)
+
+### Base Maps (.map)
+
+* Base map files are responsible for a few core critical things
+  * Line of Sight (LOS)
+  * Calculating Best Z - The server is constantly doing Z calculations to keep NPC's on level plane, to prevent from dipping into the ground which was a much larger issue in the past
 
 ### Water Maps (.wtr)