It is a matter of opinion but lots of people like the Herman Miller Aeron and the Herman Miller Mirra chairs. See below for examples.
A comfortable chair with arms.
It is a substantial and comfortable chair with arms.
The Aeron chair is a comfortable chair, it has a mesh back, and is very adjustable. Although it is pricey, it is no doubt it is a very comfortable chair.
A wing chair is very relaxing and comfortable as it has a high back which provides extra support for the neck however a normal chair has no support at all depending on size and shape plus doesn't have any arms
The beach chair is very comfortable when reclining.
Really they are just wooden deck chairs that offer comfortable enough back support with wide arms to balance food or drinks on, perfect for a patio or deck party. They are pretty enough to look at and for a wood chair, are fairly comfortable.
High back wooden chair with cushions would be the most comfortable.
to move your arms like you are in a wheel chair.
Lazyboy is very comfortable.
It probably means to straddle a chair so that your knees or legs point behind the chair, and when you lean forward you may rest your arms on the back of the chair. Whereas sitting 'forward' on a chair would mean you sit on a chair like you normally would.
The ideal seat to table height for comfortable dining is typically around 18 inches for a standard dining chair. This allows for proper alignment of the body and arms while eating.
An accent chair without arms doesn't have a specific name. The chairs with arms have specific names depending on the style, such as Warner or Chesterfield.