Document type is the identifier of different account transactions like SA for G/L,AA for Asset Accounting etc.The doc.
The Strange Situation This is a method devised by Ainsworth and Bell to measure the type of attachment that a child has formed. It uses many terms and concepts that you should already be familiar with from earlier work in the topic, e.g. Glasgow Babies and the Love Quiz.
Unusual or strange behavior is behavior that is not appropriate to the circumstances. It occurs when a person is unnaturally moody, aggressive, euphoric, or mild-tempered. Fluctuations in mood from time to time are normal. However, unusual reactions to events may be a sign of a medical or mental disorder.