<prompt> Translate the following text to EnglishUsimamizi wa juu unapaswa kufikiria malengo ya ununuzi wa shirika, kufafanua malengo ya kimkakati, na kusimamia miradi ambayo inatekeleza maono ya jumla.  <response>: Senior management should envision the agencys acquisition goals, define strategic objectives, and oversee the projects that implement the overall vision. 