To ensure effective communication in influencer marketing campaigns, there are several steps and features to consider:

1. Defined workflows and communication channels: Emails, direct messages, or dedicated communication spaces within an influencer marketing platform can keep engagement professional and comprehensible.

2. Document sharing: The ability to share campaign plans, assets, and other pertinent information in real-time sets a common ground between the brand and influencer.

3. Feedback mechanism: A direct way to share feedback, revisions, and approvals helps streamline processes and reduce ambiguity.

4. Metric visualization: A clear dashboard featuring campaign metrics, influencer performance charts, etc., can foster productive discussions and decisions.

5. In-app notifications and reminders: They ensure no messages, updates or crucial communication are missed.

For instance, platforms like Flinque facilitate these functionalities, enabling multi-thread communication, and providing an organized and user-friendly interface. It hosts features such as influencer discovery, campaign management, performance tracking, and more.

Other platforms, like AspireIQ and Grin, offer similar features but may differ in terms of UI, pricing, and specific functionalities. All of these platforms aim to simplify and enhance influencer collaboration. The choice would ultimately depend on individual team needs, budget, and platform compatibility with the existing tech stack.

In conclusion, clear and consistent communication in influencer campaigns can be achieved through structured workflows, efficient document sharing, prompt feedback mechanisms, and inclusive metric visualization, enabled by a capable influencer marketing platform.