RAR archive for Samsung named note3, 5.17 MB, presumably relating to the Galaxy Note 3; the name gives no further detail on contents. It could hold schematics, layout drawings or service documents, so extract it with WinRAR or 7-Zip before use. The Note 3 came in several model variants with different platforms, so verify the model code inside each file against the device. Such material helps a technician trace power rails, check charging lines and pinpoint shorted parts on the board.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @boardview. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.