Communication is essential to connect people to one another, from family members to colleagues. One person must deliver effective communication when working within teams and organizations. This is seen from day-to-day tasks, but also in expressing opinions and working within teams.
With effective communication, this would also reflect highly on your soft-skills and make you an effective team member. Concerns, critiques, feedback and other situations that are hard to be conveyed to enable a more comfortable workplace for starters!