W2 Contract is a status in which an employee is directly on the client’s payroll or in a third-party payroll Like has an Employer or a Consultancy and the employer or consultancy handles employee taxes & generates the payrolls the candidates are not eligible for the benefits of health insurance, PTO (paid time off), 401K, and so on; then it depends on the client.
The short-term Contract is for 3 months to 6 months which is extended up to 3 or 6 months (no time frame given how many times it can be extended) it is on client requirements.
The long-term Contract is for 9 to 12 months of duration which can be extended for 6 months 9 months or 12 months (no time frame given how many times it can be extended) it is on client requirements