This is the 1962nd most frequent Japanese word.
しばらく
For a while; a short time; temporarily.
In this sentence, 'しばらく' is used to indicate a short duration of time during which an activity (walking) was conducted.
しばらく町を歩きました。
I walked around the town for a while.
Here, 'しばらく' is employed to politely request someone to wait for a short period of time.
しばらくお待ちください。
Please wait for a moment.
In this usage, 'しばらく' signifies a brief period of time allocated for contemplation or consideration.