A payslip listing four or five different deductions in abbreviated form can look more confusing than it needs to. Most of them fall into a handful of familiar categories, once you know what each one is doing.
Income tax
Withheld directly by the employer and paid to the government on your behalf, calculated based on your income level and applicable tax brackets or flat rates, depending on the country.
Social security / pension contributions
Known by different names in different countries (GOSI in Saudi Arabia, for example) — a mandatory contribution toward retirement or social insurance, often matched partly by the employer.
Health insurance premiums
If your employer provides health coverage, your share of the premium is often deducted directly from pay rather than billed separately, which is why a payslip sometimes shows a smaller net figure than a "flat" salary would suggest.
Loan or advance repayments
If you've taken a salary advance or a company loan, repayment installments typically appear as a recurring deduction until the balance is cleared — worth double-checking the amount matches what was actually agreed.
Unpaid leave or absence deductions
Time off beyond your allotted leave, or unpaid leave taken deliberately, shows up as a deduction proportional to the days missed — this is one of the more common reasons a specific month's net pay looks lower than usual.