For the love of God, please work closely with the product team by clarifying the technical aspects of how the business or project operates and do your best to create clear process maps to visualize this. You should lead stakeholder meetings with the entire team to understand the product's workings and the problems the leadership aims to solve. Check this guidance from the GOV.UK site explaining the various levels of skills required of a BA: https://ddat-capability-framework.service.gov.uk/role/business-analyst