The abstract discusses various techniques for teaching vocabulary to adults. It underlines the significance of vocabulary acquisition in adult language learning and examines different approaches for improving vocabulary learning results. Adult language learning relies heavily on vocabulary acquisition as it leads to enhanced communication and overall language skills. However, adults may encounter challenges when learning new words due to their busy schedules, cognitive abilities, or prior language learning experiences. Therefore, employing effective methods to acquire and retain new vocabulary is crucial. One commonly used method involves using context and contextual hints. By learning new vocabulary in sentences or texts that have meaning, adults can comprehend and remember the meaning of unfamiliar words based on their surrounding context. Strategies such as extensive reading, watching movies or TV shows, and engaging in genuine conversations can provide diverse and rich contexts for learning vocabulary.
Automated voice-based identification and authentication systems arc useful for many applications in national security, electoral integrity, cybcrcrimc prevention, and access control. Initially, traditional methods such as names, codes of personal identification numbers, passwords were used for the use of biometric systems in identification. Face, fingerprint, eye color and various other methods have been used for personal identification. This article analyzes voice-based personal identification systems and personal biometrics over the past five decades.