A landing page is a standalone web page, created specifically for a marketing or advertising campaign.
Portals metaverse is a platform where you can build, chat and play games
B2C marketplace is a business model in which multiple vendors provide products/services directly to consumers.
B2C products are consumer-facing and help users solve their personal needs.
CRM-service is a fully-featured cloud-based Customer Relationship Management service with highly scalable features.
Software as a service (or SaaS) is a way of delivering applications over the Internet—as a service.