Use photo albums in Photos on iPad - Apple Support (VN)
Make albums to organize your photo and videos in the Photos app on iPad.
Organize and find your photos on your iPhone, iPad, or iPod touch - Apple Support (VN)
Hide photos on your iPhone, iPad, or Mac with the Hidden album - Apple Support (VN)
View photos and videos in Photos on iPhone - Apple Support (VN)
Photos User Guide for Mac - Apple Support
How to Add and Organize Albums in iTunes and Apple's Music App
Organize and find your photos on your iPhone, iPad, or iPod touch - Apple Support (VN)
How to create a photo album on your iPad — Apple Support
How to hide pics in Apple Photos so no one can ever see them
Photos User Guide for Mac - Apple Support
Hide photos on your iPhone, iPad, or Mac with the Hidden album - Apple Support (VN)
Use Apple Pay in apps and on the web on iPad - Apple Support (VN)