The crossword solution for the term INSTRUCTION PART is STEP, which is a four-letter word. STEP stands for Standardized Test of English Proficiency and is an international standardized test of English language proficiency for non-native English speakers. It is used to measure the English language ability of people who are not native speakers of English. The test is designed to assess the language skills of those who need to use English in their daily lives, such as students, professionals, and immigrants.