diff --git a/PLAN.md b/PLAN.md
new file mode 100644
index 00000000..519d71ea
--- /dev/null
+++ b/PLAN.md
@@ -0,0 +1,41 @@
+# Structure of the project
+
+* Parser
+* Query AST
+* Typing support
+* Logical plan/optimizers
+* Physical plan/optimizers
+* Runtime representation (values)
+* DB interaction/(de)serialization
+* Evaluator/interpreter/VM
+* Plan executors
+
+```
+{
+    *id: id,
+    name: d.name[0]
+}
+```
+
+```
+$name
+${name:?Int}
+```
+
+```
+where a: b.id == c.id
+trail 
+```
+
+```
+select ...
+view X = select {} : Vertex
+let z = select {} : Vertex
+```
+
+```
+let vs with
+[a:V]
+[v:X]
+[p:=z]
+```
\ No newline at end of file