The main purpose of a PM system is to track the performance of employees in a manner that is consistent and measurable.

A PM system have two primary purposes for organizations: (1) employee decision-making and (2) employee development.

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The main purpose of a PM (Practice Management) system is to handle administrative and billing tasks in a medical practice.

Mood describes the strong feelings evoked by colors, images and other elements.

George Washington was the first president of the United States. - Common knowledge; Hemingway's novel The Old Man and the Sea won a Nobel Prize in 1954. - must be documented; The theme of revenge in Shakespeare's Hamlet is dominant in the play. - must be documented; The earth revolves around the sun. - common knowledge; a quotation from a speech by a famous person. - must be documented; a description of the construction methods for building the pyramids. - must be documented.

The sentence that include common knowledge are,
1. Russia became a communist country in 1917;
2. U.S. presidential elections take place every four years;
The sentence that involve the need for documentation are,
1. In To Kill a Mockingbird, the author intends the children's snowman to be a symbol.
2. Pablo Picasso painted abstracts.
3. "Ask not what your country can do for you; ask what you can do for your country."
4. An analysis of the use of color in a Da Vinci painting