Digital marketing includes various strategies to engage online audiences. SEO improves website rankings for organic traffic, while content marketing creates valuable material like blogs and videos to attract users. Social media marketing promotes brands on platforms like Facebook and Instagram, and email marketing uses targeted emails to nurture leads. PPC advertising involves paying for each click on ads, and affiliate marketing partners with others to promote products for commissions. Influencer marketing collaborates with influencers to reach wider audiences, and mobile marketing targets users via SMS, apps, or mobile-optimized content. Together, these tactics build a strong digital presence.