Which application type should we select upon conversion to EPBCS, Custom or Module?

Our service was just updated, and we are ready to convert from PBCS to EPBCS. We have read the documentation (Converting a Standard or Reporting Application to an Enterprise Application (oracle.com)) on the “Convert to EPBCS” action found under Application>Overview and understand the steps to be taken.

Our questions regard which application type we should select during this process. Either Custom or Module.

Our anticipated path is this:

·        We plan on utilizing what we currently have in PBCS, which means we will use are existing budgeting, position budgeting, long-term projections, and reporting cubes as we have been doing in before conversion.