Per the image, the counters and the name specify only one of the three possible echelons for the OOB type.
Examples:
Change "Light Infantry Corps" to simply and more accurately, "Light Infantry".
Change "Independent Infantry Regiment" to simply and more accurately, "Independent Infantry".
etc.
Related to, Formation overview addition: up/down-grade options
For reference, Game Build v 1.04-beta11; Scenario Build 1.04-beta11; Last Game Build used 1.04-beta11; Scenario Version Number #51.
Device is a Win 10 Pro 64bit, Intel i7-1065G7, 16GB RAM. It is a Surface Pro 7, connected to 2560x1600 display monitor via USB-C. Intel Iris Plus integrated graphics.