In section "System Health" are mostly generic charts made from KPI values. These tiles are defined in SAP transaction /DVD/MON_OSETUP with "Application Id" MON (from Monitoring)
In the tile are summarized some information from some KPIs. You can find this setup also in /DVD/MON_OSETUP transaction. For example this record
defines following tile:
After clicking on Tile the user is redirected to Analysis view with KPIs from setup:
Details about analysis view see Monitoring analysis.