What is vertical and horizontal in projects

If escalation happens, you will be screwed vertically and horizontally

Vertical - hcmt, bfsi, CPG,GM - domain
Horizontal - AI.CLOUD , TI, BI & Many will be added based on demand- practice Opportunity wise both are equal.

Vertical is based on the type of customer if it’s banking it’s bfsi if the client is technology then it’s tech. Horizontal is service line based on skill like Ai Cloud is a horizontal. But in TCS horizontal is not well defined