How to grow big youtube channel?
Growing a large YouTube channel takes time, effort, and a commitment to creating quality content. Here are some tips to help you grow your channel:

Define your niche and target audience: Determine what type of content you want to produce and who you want to target. This will help you attract and retain subscribers who are interested in your content.

Create high-quality content: Focus on producing content that is engaging, entertaining, and informative. Use high-quality equipment and lighting to improve the production value of your videos.

Consistency: Post videos regularly and consistently. Your subscribers will come to expect a steady stream of content from you and will be more likely to tune in to new videos if they know they can count on you.

Optimize your videos for search: Use keywords, tags, and descriptions that accurately describe the content of your video. This will make it easier for people to find your videos through search engines.

Engage with your audience: Respond to comments and messages, and take the time to get to know your subscribers. Building a relationship with your audience will help you retain subscribers and attract new ones.

Collaborate with other YouTubers: Reach out to other YouTubers in your niche and collaborate on videos or cross-promote each other's channels.

Use social media: Promote your YouTube channel on other social media platforms and engage with your followers there.

Analyze and improve: Keep track of your channel's performance by using YouTube Analytics, and use this information to make improvements to your content and strategy.

Remember, growing a large YouTube channel takes time and effort, but with persistence and hard work, you can achieve your goal.
Could you give me guidelines for creating clickable thumbnails