WEEK2 FRI How many types of roof?

This morning we viewed many houses.I never noticed there were many roof contruction with various beautiful houses in our life  before today!I took some pictures and introduced for you:

Hip roof

gable roof,  valley, ridge, concrete tile

floor framing

iron tile and wether board clad

I am sorry I didn't understand what tutor Joey spoke.

I also didn't understand,I am sorry!

flat roof

old and new house jion together

 attention;window's structure