modified: overview.md

src/docs/overview.md

@@ -16,15 +16,17 @@ Through the unique BitField ID this allows position space information to be mapp
 
 ### PODIO  
 
-- Eicweb fork: https://eicweb.phy.anl.gov/EIC/podio
-- AIDAsoft repo: https://github.com/AIDASoft/podio
+The idea is to use plain-old-datatype IO. PODIO stamps out structs based on yaml files.
 
 ### LCIO2 
 
-[Defined in yaml 
-file](https://eicweb.phy.anl.gov/EIC/podio/blob/master/lcio2/lcio-edm.yaml) 
+The old LCIO data model  is used as a starting point for our data model and it is called `lcio2`.
+It is [defined in yaml file](https://eicweb.phy.anl.gov/EIC/podio/blob/master/lcio2/lcio-edm.yaml) 
 which is used to generate C++ library.
 
+- Eicweb fork: https://eicweb.phy.anl.gov/EIC/podio
+- AIDAsoft repo: https://github.com/AIDASoft/podio
+
 ![data model use](data_model_use2.png)
 
 
@@ -42,6 +44,7 @@ The goal of having a robust detector library and data model is to aid in the use
 
 Many external tools exist that can be applied along the path to the ultimate physics analysis.
 
+See the [useful links](links) for a list of tools.