Cross$-$functional teams are $\_\_\_\_\_\_\_\_\_\_.$

groups of employees from about the same hierarchical level, but from different work areas, who come together to accomplish a task

groups of $1015$ people who take on responsibilities of their former supervisors

groups of employees who use computer technology to tie together physically dispersed members in order to achieve a common goal

groups of $512$ employees from the same department who meet for a few hours each week to discuss ways of improving quality, efficiency, and the work environment