document & pen 3

abstract associate background backup black business classify closeup computer data date desk detail digital document electronics encode error file finance financial glowing index industry inform keep load local machine macro market math mathematicsinformation money note notes number office one open order organization paper pen pensil planing print procent ratty read record red render report sales school select silicon sort spin stationery stock storage symbol system table tech technical technology text thinking thread transmit turn virtual wallpaper wire write writing zero