An electrocardiogram (ECG) is a test which measures the electrical activity of your heart to show whether or not it is working normally. An ECG records the heartâs rhythm and activity on a moving strip of paper or a line on a screen.
The term compact is most often applied to agreements among states or between nations on matters in which they have a common concern. The Constitution contains the Compact Clause, which prohibits one state from entering into a compact with another state without the consent of Congress.
Definition of concord for English Language Learners. : 1  a state in which people or things agree with each other and exist together in a peaceful way. 2  grammar : a state in which the different parts of a sentence or phrase agree with each other.