Training, lectures, and seminars are methods of imparting knowledge and skills to individuals or a group of people. These methods are commonly used in educational institutions, corporate settings, and other professional environments.

1. Training:
Training is a method of teaching individuals specific skills or knowledge to improve their performance in a particular field or job. It involves a systematic process of instruction, practice, and feedback. Training can be conducted through various means such as classroom sessions, online modules, on-the-job training, simulations, and workshops. The main objective of training is to enhance the capabilities and competencies of individuals.

2. Lectures:
Lectures are a traditional and widely used method of imparting knowledge to a large group of people. They are typically delivered by subject matter experts or experienced professionals who share their expertise on a specific topic. Lectures are usually structured presentations that provide information, explanations, and examples to the audience. They are commonly used in educational institutions and conferences to educate and inform the participants.

3. Seminars:
Seminars are interactive sessions that focus on a specific topic or theme. They involve discussions, presentations, and group activities to facilitate learning and exchange of ideas among the participants. Seminars are usually conducted by experts in the field who encourage active participation and engagement from the attendees. They are often organized to address current issues, share research findings, or promote professional development.

4. Method:
The correct answer is option 'D' - Method. In the given context, method refers to the approach or technique used to deliver training, lectures, or seminars. It encompasses the strategies, tools, and activities employed to achieve the desired learning outcomes. Training, lectures, and seminars are all different methods of conveying information and knowledge to individuals or groups. Each method has its own advantages and limitations, and the choice of method depends on the nature of the subject matter, the target audience, and the learning objectives.

In conclusion, training, lectures, and seminars are different methods used for educational and professional purposes. They play a crucial role in enhancing knowledge, developing skills, and promoting continuous learning. The selection of the appropriate method depends on various factors, and organizations often use a combination of these methods to ensure effective knowledge transfer and skill development.