Channels are the different ways you reach and communicate with your potential customers. These could be online or offline, paid or organic, direct or indirect. For instance, email marketing, social media, SEO, SEM, content marketing, referrals, events, webinars, cold calling and direct mail are all examples of channels. Each channel has its own unique characteristics and benefits and drawbacks; it's important to select the channels that are most aligned with your target audience, value proposition and goals.