Fill in the blanks: At Oakbridge Accounting, management seeks to ensure that messages travel reliably through the hierarchy. The managing partner announces a new billing policy to senior managers during the Monday leadership huddle, indicating ______ communication. Managers then brief their teams during scheduled stand-ups using an official slide deck, which demonstrates ______ communication. Later that week, analysts from Audit and Tax meet at the same level to synchronise timelines for shared clients. This peer exchange is ______ communication. However, several interns hear about it first through the staff WhatsApp chat before any memo arrives. Communication via the ______ is, thus, very active in this organisation. Meanwhile, HR compiles questions received from staff and sends a summary to the leadership team - evidence of ______ communication. The confusion and frustration that follow (people feeling "the last to know") suggest the firm's ______ needs attention.