Notes flat color icons with quadrant frames - Stock vector

notes, memo, document, entries, records, writing, letters, sketching, delineate, pad, notepad, paper, notepaper, board, page, sheet, textbook, copybook, diary, stationery, equipment, object, icons, buttons, symbols, pictograms, pictograph, pictorial, drawings, design, flat, plain, simple, frames, outlines, strokes, boundaries, square, tetragonal, quadrant, rectangular, quadrilateral, multicolors, polychrome, varicolored, colors, green purple, red, blue, brown