• to advise, to inform sy, to inform sy of sg, to instruct, to prime
• handout, informant, informative, prospectus
• to find one's bearings, to get one's bearings, to orientate oneself, to take one's bearings
• brief, information, line, orientation, reference
• to put sy in the picture, to put sy up to the ropes
• to be apprised of sg, to be aware of sg
• to give sy a line on sg, to make sy aware of sg, to put up to sg