Topics: Business communication, business letter, business report, business meetings minutes, communication, Modern Business Communication technology, Effective Communication barriers

Topics: Discourse Analysis, Ethnonmethodology, Conversational Analysis, Linguistic Anthropology, Thematic Progression, Birmingham School Approach, text linguistics, grammatical cohesion, lexical cohesion, pragmatics, speech acts, Critical Discourse Analysis, text, context, monologue, dialogue, multilogue, conversation, written discourse, Interpersonal Discourse, Conducting Ethnomethodological Research, Speech community, speech event, Constant Theme Pattern, Linear Theme Pattern, Split theme Pattern, Derived Theme Pattern, Classroom discourse, Discourse Structure

Topics: English Language, English Language promotion, functions of English Language in Nigeria, Sociolinguistic Consequences of English in Nigeria, Classification of English Language in Nigeria, Nigerian English Debate, English Nativisation, English Phonological Features, English Grammatical Features, English Lexico-Semantic Features, English Discourse Features, Standard Nigerian English, Non-Standard Nigerian English, Nigerian Pidgin English, Language planning

Topics: French Translation, French Intralingual translation, French Gist translation, French cultural issue, French Compensation, French Legal translation, French Consumer-oriented translation

Topics: Islamic Political Institutions, Jāhiliyyah Period, Early Life of Prophet Muhammad, Marriage to Khadījah, Advent of Islam, Migration to Madinah, Foundation of the Islamic State, Conquest of Makkah, Institution of the Caliphate, Khulafā’al-Rāshidūn, Rightly Guided Caliphs, Umayyads, the Abbasids, Aglabids, Fatimids, Ottoman Turks, Sokoto Caliphate, Vizier, Qādī, Muhtasib, Wāli Mazālim, Şāhibu ‘s-Shurţah, Sokoto Jihad Leaders, Sokoto Jihad Scholars, Nigerian Muslim Scholars

Topics: Arabic Rhetoric, Early Arabic Rhetoricians, Al-Balāgha Evolution, al- Isti‘ārah, al-Majāz, al-Kināyah, Arabic Lexical embellishments