Money paid by the company for various reasons, such as meeting objectives, productivity incentives, special events (e.g. Xmas), etc.
Deductions are amounts retained by the company from your gross amount.
They are also commonly referred to as deductions at source. Some of the more common deductions are:
12 Income tax (federal, state(U.S.) or provincial(Canada), municipal in some locations)
13 Pension (employee contributions for retirement. A common plan in the United States is the 401K plan).
14 Medical (to pay for medical insurance. This is more common in America. In Canada, every citizen is already covered by a global plan called Medicare, so the company plan most commonly found there is for dental care, which isn't covered by Medicare)