1. The start or commencement of an organized series of activities designed to achieve a particular goal, typically in politics, marketing, or social advocacy
The campaign beginning was marked by the candidate's first rally in the capital.
O início da campanha foi marcado pelo primeiro comício do candidato na capital.
2. The opening phase of a military or strategic operation
The general planned the campaign beginning with precision.
O general planejou o início da campanha com precisão.