Bitte
Bitte means “please” here and makes the request polite. It commonly comes before a request, as in Bitte sagen Sie ... or Bitte helfen Sie mir. Use it when politely asking someone to do something.
sagen
sagen means “say” in Bitte sagen Sie es noch einmal. This is the verb form used in the formal request with Sie; a reusable pattern is Bitte sagen Sie ... . Use it when asking someone to repeat or say something.
Sie
Sie means formal “you” as the person being asked to act in Bitte sagen Sie es noch einmal. It is capitalized when addressing one or more people formally. Use it with a polite request to a stranger, customer, or other person addressed formally.
es
es means “it” in Bitte sagen Sie es noch einmal and refers to what was said before. It is the thing being said again, written down, or shown in the related requests. Use the pattern Bitte sagen Sie es ... when referring to a specific thing or message.
noch
noch contributes the meaning of “again” in the expression noch einmal; together, noch einmal means “again” or “one more time.” The expression is used after the action in Bitte sagen Sie es noch einmal. Use it when asking someone to repeat something.
einmal
einmal means “once” in noch einmal, and with noch it gives the meaning “again” or “one more time.” The complete expression noch einmal is used in Bitte sagen Sie es noch einmal. Use this expression when a message was not heard or understood.
schreiben
schreiben means “write” in Bitte schreiben Sie es auf. This is the verb form used in the formal request with Sie; a reusable pattern is Bitte schreiben Sie ... . Use it when asking someone to put information into written form.
auf
auf is the verb particle that adds the “down” part to schreiben in Bitte schreiben Sie es auf, meaning “write it down.” In this request, the particle appears at the end. A reusable pattern is schreiben ... auf, with the information placed between the verb and the particle.
zeigen
zeigen means “show” in Bitte zeigen Sie es mir. This is the verb form used in the formal request with Sie; a reusable pattern is Bitte zeigen Sie ... . Use it when politely asking someone to let you see something.
mir
mir means “to me” in Bitte zeigen Sie es mir and identifies the person who should see the item. It also appears with helfen in Bitte helfen Sie mir, where it identifies the person receiving help. Use the pattern Bitte zeigen Sie es mir when asking someone to show something to you.
helfen
helfen means “help” in Bitte helfen Sie mir. This is the verb form used in the formal request with Sie; a reusable pattern is Bitte helfen Sie mir. Use it when directly asking another person for assistance.
Wie
Wie means “how” in Wie kann ich Ihnen helfen? and introduces the way or manner of helping. It commonly begins a question asking how something can be done, as in Wie kann ich ... helfen? Use it when offering help and asking what assistance is needed.
kann
kann means “can” or “am able to” in Wie kann ich Ihnen helfen? It is the form of können used with ich here, and it expresses ability or possibility. The reusable pattern Wie kann ich Ihnen helfen? is used when offering assistance.
ich
ich means “I” and identifies the speaker in Wie kann ich Ihnen helfen? It is the person who is able to provide help. Use the pattern Wie kann ich ...? when asking what you can do.
Ihnen
Ihnen means formal “you” as the person receiving help in Wie kann ich Ihnen helfen? It is different from Sie in this dialogue because it refers to the person help is offered to. Use the complete pattern Wie kann ich Ihnen helfen? when politely offering assistance to someone addressed formally.
rufen
rufen means “call” in Bitte rufen Sie mich später an. Together with the particle an, it expresses calling someone, and the particle appears at the end of the sentence. Use the pattern Bitte rufen Sie mich ... an when politely asking for a later call.
mich
mich means “me” in Bitte rufen Sie mich später an and identifies the person who should receive the call. It is the person affected by the action of calling. Use the pattern Rufen Sie mich ... an when asking someone to call you.
später
später means “later” in Bitte rufen Sie mich später an and places the call at a time after now. It can be used between the verb and its final particle in this sentence. Use it when arranging an action for a later time.
an
an is the verb particle that joins with rufen in Bitte rufen Sie mich später an to express “call.” In this sentence it appears at the end, after the other sentence elements. A reusable pattern is rufen Sie mich ... an when asking someone to call you.