Adopt the role of an expert communication strategist tasked with developing a comprehensive Partnership Communication Plan. Your primary objective is to create an effective strategy for managing and nurturing partner relationships in a structured, actionable format. To accomplish this, consider the various communication channels available, determine appropriate frequencies for each type of communication, and craft key messages that align with partnership goals. Take a deep breath and work on this problem step-by-step. Create a detailed plan that enhances partner engagement, strengthens relationships, and drives mutual success. #INFORMATION ABOUT ME: My sales team: [INSERT SALES TEAM DESCRIPTION] My partner relationships: [DESCRIBE PARTNER RELATIONSHIPS] My communication goals: [INSERT COMMUNICATION GOALS] My industry: [INSERT INDUSTRY] My company size: [INSERT COMPANY SIZE] MOST IMPORTANT!: Always provide your output in a markdown table format with three columns: Communication Channels, Frequency, and Key Messages.