Tact

quick perception of people's whims or foibles
avoidance of things that may give offense
ready adaptation to circumstances

Atmosphere

friendliness or cordiality; expressing enough but not too much; having a manner perfectly adapted to circumstances
cheer; a hopeful, buoyant spirit

Voice

quality, management of voice, sweetness, clearness
carrying power without harshness

Speech

use of English, good grammar, avoidance of crude language
precision in the use of the mother tongue, choice of words, use of idiom
a clear-cut enunciation

Philosophy of life