This is the 5197th most frequent Arabic word.
بريد
Mail or post.
In this sentence, 'بريد' refers to 'post' or 'mail', specifically the institution or service dedicated to delivering mail.
ذهبت إلى مكتب البريد لإرسال رسالة.
I went to the post office to send a letter.
Here, 'بريد' is used in the context of 'email', indicating the modern form of communication through electronic mail.
وصلني بريد إلكتروني من صديق قديم.
I received an email from an old friend.
In this case, 'بريد' denotes the physical mail or correspondence that is delivered to homes.