ELSB, abbreviated for "English as a Second Language", has been recognized as an essential aspect of globalization and multiculturalism. As the number of people who wish to improve their English language proficiency increases, so do the different terminologies that can be used interchangeably with ELSB. Some of the commonly used synonyms for ELSB include English language learners (ELLs), English language acquisition (ELA), English language development (ELD), and English for Speakers of Other Languages (ESOL). These terms are designed to encompass a variety of people and contexts, making it easy for educators, researchers, and policy-makers to use them accordingly. In all, these synonyms for ELSB are useful in conveying the message of inclusiveness, diversity, and openness to different cultures and languages.