how can clover EFI 32 bit being booted and boot "bootia32.efi" on 64 bit UEFI laptop ?

I installed Hackintosh using custom installer made by niresh on UEFI laptop with gpt disk and i had hackintosh 64 bit and windows 7 64 bit installed and boot using clover 64 bit but windows was very laggy ( my laptop usually running slow especially on 64 bit systems ) , so i decided to install and run windows 8.1 32 bit but it was a challenge for me because UEFI is only boot 64 bit efi files and can't boot "bootia32.efi" at all so i thought i can use hybrid MBR/GPT to boot windows 32 bit using legacy mode and hackintosh 64 bit using UEFI mode but i realized that Clover itself was installed in very strange way , it has code in MBR's bootstrap and at the same time it has EFI files on EFI Partition that it's file system is HFS+ !!!! , i knew later that clover 32 can be triggered by pressing 3 number on the keyboard and clover 64 can be triggered by pressing 6 , finally i was able to boot windows 8.1 by "bootia32.efi" on Clover 32bit , the problem is that i can't understand few things here..
first : how can Protective MBR contain bootstrap code without being hybrid ? ( gdisk says that it's not hybrid )
second : is clover 32 bit booting under Legacy mode ?
third : how can Clover 32 bit be booted using "bootia32.efi" that exist in EFI Partition and how can clover 32 execute other "bootia32.efi" when my laptop's UEFI is 64 bit and can only execute "bootx64.efi" ?
fourth : how can clover 64 bit ( that it's exactly exist on EFI Partition with clover 32 bit ) be booted under UEFI from an HFS+ Partition ? ( i know that UEFI on non-apple devices can only boot EFI files from fat16 or fat32 file system )
is that because MBR bootstrap code is running some drivers to add HFS+ support to uefi manually every boot ? how can code being execute under legacy mode add driver to UEFI ? ( when i turn on my laptop then trying to boot from efi file exist on hard disk from boot menu i can't find EFI Partition but when i boot to clover and return to UEFI boot menu without restarting i can find EFI Partition that is HFS+ )