Seniority is the length of time a person has worked for an employer. IE: the person with the most seniority has worked there longer.
120 days.
There are no senoirity points. You just have to login everyday until you get enough senority to do what you want.
a yearly salary is usually about 1 to 2 million if you have senoirity. without it then you can make $780k a year.