call history: The record of an individual’s Skype calls.

case sensitive: An indication that software differentiates uppercase from lowercase capitalization. For example, if JohnDoe123 is a case-sensitive password, typing in JOHNDOE123 will fail.

conferencing: Hosting or participating in calls with multiple contacts using Skype, which can also extend to landline and mobile phone calls.

contacts: People you have established an official connection with using Skype.

CrazyTalk: A program that allows you to create animated faces that are synchronized to move as you speak.

credit: The method by which you purchase time in advance and later spend it when using various Skype features.