Per-diem (day-rate) usually refers to what someone's pay rate is based on,i.e. per the day, job, etc. Many nurese work per-diem where they have no set hours but are paid an hourly rate as the are sent on temporary assignments-such as home health nurses.
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1 Media (communication), tools used to store and deliver information or data. 2  Advertising media, various media, content, buying and placement for advertising.  Broadcast media, communications delivered over mass electronic communication networks.