This book provides a sketchy overview of the current trends in language testing and assessment, outlining basic ideas in each as well as their basic claims. All topics have been prepared in the key point format. They have been arranged in 101 key points in 15 chapters of the related topics. The book offers students concise introductions to core topics in language testing in encyclopedia-like descriptions of key terminologies used in language testing. The most outstanding feature of the book is its concise description and controversial topics dominating polemical debates defining the interlocking dimensions. This book presents information to those who want to get a snapshot of the key terms in English language testing.