HDrip is a rip of a HD broadcast
The term hdrip is mainly shown on forums or download sites that offer illegal content. When a file is a HDrip, you can assume that it is a pretty good quality, because it is High Definition.
HDR is a term from the world of photography: HDR Photography Creates an image with a wider tonal range that is larger than normal with 1 image. In some cameras, HDR is an option that can be selected: In this case, multiple images are created sequentially and the camera combines it to 1 image. Read More
BCC means blind copy and is used when sending an email. With the receivers it is often possible to also fill in a BCC receiver field. When you use the Bcc field, it means that the normal recipients of the e-mail cannot see the BCC email addresses. It seems as if the people in the BCC field do not receive the mail, from a privacy point of view it is good to do so. Also to reduce unwanted mail it is useful to use Bcc: reply to all or reply to all has no effect on the Bcc people. In business, BCC is often used if the recipient is not allowed to know that the message is also sent to others.