In the context when it's important to highlight that conversation is about humans, managers use different words. E.g.: "I need to send my developers to securit

In the context when it's important to highlight that conversation is about humans, managers use different words. E.g.: "I need to send my developers to security training". But sometimes it could be beneficial to think in terms of "resources". For example, in order to deliver the project you need some resources. That could be internal developers, contractors, or 3rd-party solution that delivers required functionality. It may be easier to compare potential choices against each other and make business decision when you think in terms of "resource".