Email and messaging
Terms related to email and messaging, including definitions about instant messenger and words and phrases about email servers, storage, spam and mobile access.- 2D barcode (two-dimensional barcode) - A 2D (two-dimensional) barcode is a graphical image that stores information horizontally as one-dimensional barcodes do, as well as vertically.
- A2P messaging (application to person messaging) - A2P messaging (application to person messaging), also known as enterprise or business SMS, is a type of SMS messaging technique where a text is sent from a software application run by an enterprise to a consumer's device.