Areas:
Product-management
Advertising
Promotion
Research and analytics
Copywriting
Strategy / financial planning
Skills:
Content creation
Market research
Web analytics
SEO and SEM
Critical thinking
Project management
Content management systems
Social media (strategy, campaigns, etc.)
Creativity
Programms:
Microsoft office (Word, Excel, PowerPoint, Access, etc.)
Google (Tables, Forms, Presentation, etc.)
Google Ads, Analytics, Web (Yandex similar progs.)
IBM SPSS
Adobe (Photoshop, Illustrator, After effects)
CorelDraw
Sony Vegas Pro
Figma
Tilda
Tableau
Trello
...and other programs.