説明書, せつめいしょ
(printed) instructions, manual, explanatory leaflet (pamphlet, note), description
その説明書の意味がさっぱり分かりません。
を
Particle
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action