As a Product Manager for Clickup, analyze the scenario of low return rate of new users and propose solutions to improve metrics such as return rate, average new user sign-up, and daily average usage in the first 15 days.

The low return rate suggests a potential issue with user engagement and onboarding, particularly for users unfamiliar with traditional PM tools. To address this, we should:

1. Enhance Onboarding: Implement a more guided and interactive onboarding process that caters to diverse user needs, perhaps offering tailored paths based on user roles or prior tool experience. This could include interactive tutorials, personalized setup wizards, and contextual help.

2. Improve User Experience (UX): Simplify the user interface and workflows, especially for core functionalities. Conduct user testing with new users to identify pain points and areas of confusion.

3. Increase Early Value Demonstration: Ensure new users quickly experience the core value proposition of ClickUp. This might involve proactive feature suggestions, template recommendations, or automated setup for common use cases.

4. Gather User Feedback: Implement in-app surveys and feedback mechanisms to understand why users disengage. Analyze this data to iterate on the product and onboarding.

5. Focus on Key Activation Events: Identify and track critical actions that correlate with long-term retention. Encourage new users to complete these actions within their first few sessions.

By focusing on these areas, we can improve the return rate, increase average new user sign-ups by demonstrating immediate value, and boost daily average usage within the crucial first 15 days.