助詞N5
〜を
object marker
Structure
N + を + V
Explanation
Marks the direct object of an action. N+を+V = to do/handle N. Also for path of movement. Read as お.
Examples
毎朝、新聞を読みます。
I read the newspaper every morning.
公園を散歩しました。
I took a walk in the park.
Note
Path of movement verbs (歩く, 走る, 散歩する) use を, not で.