expression
please be aware; please note; please understand
A polite, honorific set phrase used in formal requests or notifications to ask the listener to take note of something. Often appears in business correspondence or announcements.
ご承知おきください、来週の会議は延期となりました。
Please be aware that next week's meeting has been postponed.
ご承知おきください、当店は月曜日が定休日でございます。
Please note that our shop is closed on Mondays.
ご了承ください is more common and slightly less formal; it asks for understanding or acceptance, while ご承知おきください emphasizes taking note or being aware.
A polite phrase combining ご (honorific prefix), 承知 (acknowledgment, understanding), おく (to put, to place; here as an auxiliary meaning 'to do in advance' or 'to keep in mind'), and ください (please). The literal sense is 'please keep it in your understanding'.