This document discusses different languages and multilingualism in the Philippines. It begins by defining first language, second language, and additional languages learned. It then discusses language policies in the Philippines including monolingualism, bilingualism, and multilingualism. It notes that the Philippines has over 150 languages and dialects, so most Filipinos are multilingual. It outlines the Mother Tongue-Based Multilingual Education (MTB-MLE) policy implemented in schools, where learning begins with the student's first language. It lists the initial 8 major languages and 4 minor languages designated for use in MTB-MLE, which later expanded to 19 total.