diff --git a/src/pages/Rfm.tsx b/src/pages/Rfm.tsx
index 450e25f..a868082 100644
--- a/src/pages/Rfm.tsx
+++ b/src/pages/Rfm.tsx
@@ -171,10 +171,11 @@ const Rfm = () => {
 
   const totals = useMemo(() => {
     const totalRevenue = clients.reduce((sum, client) => sum + client.monetary, 0);
+    const periodClientCount = clients.filter(client => client.frequency > 0 || client.monetary > 0).length;
     const activeSegments = segments.filter(segment => segment.count > 0).length;
     const topSegment = [...segments].sort((a, b) => b.totalRevenue - a.totalRevenue)[0];
 
-    return { totalRevenue, activeSegments, topSegment };
+    return { totalRevenue, periodClientCount, activeSegments, topSegment };
   }, [clients, segments]);
 
   const segmentInsights = useMemo(() => {
@@ -215,9 +216,9 @@ const Rfm = () => {
       Frequencia: client.frequencyScore,
       Monetario: client.monetaryScore,
       'Dias desde ultima compra': client.recencyDays,
-      Pedidos: client.frequency,
-      'Ticket medio (R$)': (client.frequency ? client.monetary / client.frequency : 0).toFixed(2).replace('.', ','),
-      'Total gasto (R$)': client.monetary.toFixed(2).replace('.', ','),
+      'Pedidos no periodo': client.frequency,
+      'Ticket medio no periodo (R$)': (client.frequency ? client.monetary / client.frequency : 0).toFixed(2).replace('.', ','),
+      'Receita no periodo (R$)': client.monetary.toFixed(2).replace('.', ','),
       'Ultima compra': formatDate(client.lastPurchaseDate)
     }));
 
@@ -252,18 +253,19 @@ const Rfm = () => {
 
       <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
         <div className="bg-dark-card p-6 rounded-2xl border border-dark-border shadow-sm">
-          <p className="text-dark-muted text-sm font-medium mb-1">Clientes Classificados</p>
+          <p className="text-dark-muted text-sm font-medium mb-1">Base RFM</p>
           <h3 className="text-3xl font-bold text-dark-text">{clients.length}</h3>
+          <p className="mt-1 text-xs font-semibold text-dark-muted">{totals.periodClientCount} com compra no período</p>
         </div>
         <div className="bg-dark-card p-6 rounded-2xl border border-dark-border shadow-sm">
           <p className="text-dark-muted text-sm font-medium mb-1">Receita no Período</p>
           <h3 className="text-3xl font-bold text-dark-text">{formatCurrency(totals.totalRevenue)}</h3>
         </div>
         <div className="bg-dark-card p-6 rounded-2xl border border-dark-border shadow-sm">
-          <p className="text-dark-muted text-sm font-medium mb-1">Segmentos Ativos</p>
+          <p className="text-dark-muted text-sm font-medium mb-1">Segmentos na Base</p>
           <h3 className="text-3xl font-bold text-dark-text">{totals.activeSegments}</h3>
           <p className="mt-1 text-xs font-semibold text-dark-muted">
-            Principal: {totals.topSegment?.label || 'N/A'}
+            Maior receita no período: {totals.topSegment?.label || 'N/A'}
           </p>
         </div>
       </div>
@@ -273,7 +275,7 @@ const Rfm = () => {
           <div className="mb-4 flex flex-col gap-3 lg:flex-row lg:items-end lg:justify-between">
             <div>
               <h2 className="text-lg font-bold text-dark-text">Matriz RFM</h2>
-              <p className="text-sm font-medium text-dark-muted">Distribuição dos clientes por recência e valor.</p>
+              <p className="text-sm font-medium text-dark-muted">Base classificada até o fim do período; valores mostram apenas o período selecionado.</p>
             </div>
             <div className="flex items-center gap-2 text-xs font-semibold text-dark-muted">
               <span>Menor prioridade</span>
@@ -347,7 +349,7 @@ const Rfm = () => {
                             <p className={`text-xl font-bold leading-none ${style.text}`}>{segment?.count || 0}</p>
                           </div>
                           <div>
-                            <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Receita</p>
+                            <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Receita período</p>
                             <p className="truncate text-xs font-bold text-dark-text">{formatCurrency(segment?.totalRevenue || 0)}</p>
                           </div>
                         </div>
@@ -386,7 +388,7 @@ const Rfm = () => {
                     <span className={`text-sm font-bold ${style.text}`}>{segment.count}</span>
                   </div>
                   <p className="mt-1 text-xs font-semibold text-dark-muted">
-                    {(segmentInsights[segment.key]?.customerPercent || 0).toFixed(1)}% clientes · {formatCurrency(segment.totalRevenue)}
+                    {(segmentInsights[segment.key]?.customerPercent || 0).toFixed(1)}% clientes · {formatCurrency(segment.totalRevenue)} no período
                   </p>
                 </button>
               );
@@ -413,11 +415,11 @@ const Rfm = () => {
                 <p className="mt-1 text-base font-bold text-dark-text">{selectedSegmentInsights.customerPercent.toFixed(1)}%</p>
               </div>
               <div className="rounded-xl border border-dark-border bg-black/10 p-3">
-                <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Receita</p>
+                <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Receita período</p>
                 <p className="mt-1 text-base font-bold text-dark-text">{selectedSegmentInsights.revenuePercent.toFixed(1)}%</p>
               </div>
               <div className="rounded-xl border border-dark-border bg-black/10 p-3">
-                <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Ticket</p>
+                <p className="text-[10px] font-bold uppercase tracking-wider text-dark-muted">Ticket período</p>
                 <p className="mt-1 text-base font-bold text-dark-text">{formatCurrency(selectedSegmentInsights.averageTicket)}</p>
               </div>
               <div className="rounded-xl border border-dark-border bg-black/10 p-3">
@@ -483,9 +485,9 @@ const Rfm = () => {
                 <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Segmento</th>
                 <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">RFM</th>
                 <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Última Compra</th>
-                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Pedidos</th>
-                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Ticket Médio</th>
-                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Total Gasto</th>
+                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Pedidos no Período</th>
+                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Ticket no Período</th>
+                <th className="px-6 py-4 font-bold uppercase tracking-wider text-[10px]">Receita no Período</th>
               </tr>
             </thead>
             <tbody className="divide-y divide-dark-border">