Per diem is an example of what type of phrase for accountants and human-resources personnel?

Per diem is an example of a Latin phrase commonly used in the fields of accounting and human resources to refer to a daily allowance paid to employees for expenses incurred while on business travel. The term "per diem" translates to "for each day" in English, and it typically covers costs such as lodging, meals, and incidental expenses. This allowance is often predetermined and can vary depending on the company policy, the destination, and the duration of the trip. For accountants and human resources personnel, managing per diem rates is an important aspect of controlling travel expenses and ensuring that employees are adequately compensated for their out-of-pocket expenses during business-related travel.