Interpersonal communication skills are crucial in many spheres of working activity. Main ideas described in your post
Ideas expressed must be clear, and that is the reason why people speak clearly and with no many intermissions. It is better to skip the terms which are too specialized or that are likely to require too much explanation. Then do not use long sentences; rather, choose easy sentences that will pass your message.

Adapt your language and the specific tone in relation to the situation. When writing a cover letter or a resume, be formal. When interviewing, hold on to respect, as you introduce yourself into the organisation’s culture.

Organize your thoughts systematically. The information should be arranged in order for best effect, this can be either by paragraphs or bullet points. For example, in one of the most common types of application documents, the cover letter, a three-part concept of the introduction-body-conclusion can be applied.

Listening encompasses responding, question asking and the display of care. This fosters good relationship and keeps you on the same page with the speaker.

I wish you good luck in this competition you described it well