Need clarification of prereqs in README for patch 5847631

We are applying patch 5847631 because it's a prerequisite for patch 12561353. I need some explanation of prerequisites for patch 5847631.

Please explain 2) and 3) from patch 5847631 README:

2. Pre-requisite or Co-requisite which is not included with this patch:

1) <we have prerequisite applied already>

2) Functional co-requisite for fix 5752397:
Contact oracle support to get the patch for fix done under 5745142
at respective AP patchset level.

3) Functional co-requisite for fix 6047501:
Contact oracle support to get the patch for fix done under 5768268
at respective AP patchset level.