Another name for a church recess is apse. They are typically placed at the eastern end of the church and contain the altar.
An apse is another name for a choir recess. These normally take the shape of a semi-circle or a hexagon.
it is called Nave. it is the top most part of the church in plan and is generally rectangular of semi-circular.
its a choir master
The third ventricle contains two saclike recesses called the anterior supraoptic recess and the infundibular recess
Choir/gospel choir
A choir director.
Aspe or niche.
flog
A choir member is typically called a chorister or a singer in a choir. They are individuals who sing together as part of a larger vocal ensemble.
There are usually called either 'head choir boy' or 'head choir girl' or 'head chorister' or alternatively a Cantor.
Antiphonal
recess
I believe Choir Gaur meant 'Giant's Dance' in the Celtic tongue.
a choir