Tableting is a method of confectionery

Confectionery

Confectionery is the set of food items that are rich in sugar, any one or type of which is called a confection. Modern usage may include substances rich in artificial sweeteners as well...

 manufacture that shares many similarities with tablet

Tablet

A tablet is a pharmaceutical dosage form. It comprises a mixture of active substances and excipients, usually in powder form, pressed or compacted from a powder into a solid dose...

 pharmaceutical production.
A powder or granule mixture is prepared, a die mold is filled, and then the mixture is compressed and ejected. While drug tablets are constrained to shapes that can be swallowed easily, candy tablets are chewable.