The object particle 를 and 을
The object particle is written after a noun ending in a vowel.
On the escalator, please grab the hand rail.
is written after a noun ending in a consonant.
In the morning bread is eaten.
The object particle indicates that the noun it marks is the object of the verb in the clause.
The 을/를 particle can also be used to indicate that noun marked is where an action starts, finishes or occurs.
As I walk along the coast I delight in the sea breeze.
지수 지수 went shopping and sightseeing while walking around the streets.